<entry>
  <id><?php echo $siteUrl; ?>/article/<?php echo $comment->article_id; ?>#comment-<?php echo $comment->id; ?></id>
  <title type="html"><?php echo htmlspecialchars($comment->title); ?></title>
  <published><?php echo date($dateFormatAtom, $comment->posted); ?></published>
  <updated><?php echo date($dateFormatAtom, $comment->posted); ?></updated>
  <content type="html">
    <?php echo htmlspecialchars($comment->getContent()); ?>
  </content>
  <link rel="alternate" href="<?php echo $siteUrl; ?>/article/<?php echo $comment->article_id; ?>#comment-<?php echo $comment->id; ?>"/>
  <author>
    <name><?php echo htmlspecialchars($comment->author); ?></name>
    <?php if (strlen($comment->email) && strpos($comment->email, '@') !== false): ?>
      <email><?php echo htmlspecialchars($comment->email); ?></email>
    <?php endif; ?>
  </author>
</entry>
